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Issues: python/mypy

Python 3.11 tracking issue
#12840 opened May 22, 2022 by hauntsaninja
Open 14
Announcement issue for plugin API changes
#6617 opened Apr 3, 2019 by msullivan
Open 13
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2,342 Open 6,444 Closed
2,342 Open 6,444 Closed
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Issues list

Type not narrowed in walrus assignment inside match bug mypy got something wrong
#14913 opened Mar 16, 2023 by bersbersbers
mypy failed to narrow down union types including Self with isinstance bug mypy got something wrong
#14912 opened Mar 16, 2023 by mon-jai
Type narrowing on object attribute with match statement doesn't apply feature topic-match-statement Python 3.10's match statement topic-type-narrowing Conditional type narrowing / binder
#14911 opened Mar 16, 2023 by AiroPi
1
Optional[str] not adapted to str by all() feature topic-type-narrowing Conditional type narrowing / binder
#14901 opened Mar 15, 2023 by ChrisHills463
type hint of function exceptions feature
#14900 opened Mar 14, 2023 by dfroger
1
Method argument errors refer to method's class, not callee's bug mypy got something wrong topic-error-reporting How we report errors topic-newtype NewType topic-usability
#14896 opened Mar 14, 2023 by ikonst
Typo in kwarg to overloaded function results in message about type mismatch bug mypy got something wrong topic-overloads topic-usability
#14895 opened Mar 13, 2023 by cauebs
list unpacking: List or tuple expected as variadic arguments bug mypy got something wrong topic-type-context Type context / bidirectional inference topic-union-types
#14891 opened Mar 13, 2023 by giodall
Value of type variable "Self" of "__new__" of "tuple" cannot be <some subclass of typing.Tuple> bug mypy got something wrong topic-self-types Types for self
#14890 opened Mar 13, 2023 by robsdedude
2
import statements under a parametrised protocol results in a crash crash topic-protocols
#14889 opened Mar 13, 2023 by XM-Helico
isinstance(tuple_obj, ...) results in <nothing> bug mypy got something wrong topic-type-narrowing Conditional type narrowing / binder
#14886 opened Mar 12, 2023 by SimpleArt
1
at runtime dataclass special-cases FunctionType, but at type-time mypy special-cases Callable, leading to mismatches bug mypy got something wrong
#14869 opened Mar 10, 2023 by glyph
2
mypy has implemented pep-681 incorrectly and does not intepret descriptors correctly bug mypy got something wrong topic-dataclass-transform PEP 681 topic-descriptors Properties, class vs. instance attributes
#14868 opened Mar 10, 2023 by zzzeek
5
Slowdown in >=0.981 bug mypy got something wrong performance
#14867 opened Mar 10, 2023 by JMMarchant
13
Overloading an abstract attribute with a Final one bug mypy got something wrong topic-final PEP 591 topic-inheritance Inheritance and incompatible overrides
#14863 opened Mar 9, 2023 by ydirson
5
no Any errors when type inferred from value passed to type[T] with no type arguments bug mypy got something wrong topic-disallow-any The disallow-any-* family of flags
#14861 opened Mar 9, 2023 by DetachHead
mypy 1.1.1 spits out invalid python suggestions for overloads bug mypy got something wrong topic-usability
#14858 opened Mar 8, 2023 by zzzeek
3
Multiple inheritance checks do not consider callable objects as possible subtypes of usual functions bug mypy got something wrong
#14852 opened Mar 7, 2023 by tyralla
1
Support PEP 696 – Type defaults for TypeVarLikes feature
#14851 opened Mar 7, 2023 by intgr
When checking Pydantic derived models mypy ignores default values of parent fields bug mypy got something wrong
#14850 opened Mar 7, 2023 by stur86
4
Cannot find imports from .pth files in site-packages folder bug mypy got something wrong
#14848 opened Mar 6, 2023 by duburcqa
5
Introduce assert_transformer to annotate functions with assertion behaviour feature
#14846 opened Mar 6, 2023 by mahmoudajawad
2
Let function signature hook have context of caller feature topic-plugins The plugin API and ideas for new plugins
#14845 opened Mar 6, 2023 by ikonst
2
Incorrect send type with yield from bug mypy got something wrong topic-runtime-semantics mypy doesn't model runtime semantics correctly
#14834 opened Mar 4, 2023 by SimpleArt
Exhaustiveness checking fails on non-trivial use of pattern matching bug mypy got something wrong topic-match-statement Python 3.10's match statement topic-reachability Detecting unreachable code
#14833 opened Mar 4, 2023 by ajasmin
4
ProTip! Updated in the last three days: updated:>2023-03-13.